Last name جانسون (Janson 
, Jansson , Conson 
) , in the world, is a common family name. The surname جانسون is habitual in Marshall Islands, where it is a common surname, Sweden, and Finland, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Sweden, the United States, and Germany. Much less frequently, جانسون is the forename as well as the last name.